Liquid Phase Bonding of 316L Stainless Steel to AZ31 Magnesium Alloy

Elthalabawy, Waled M.; Khan, Tahir I.

doi:10.1016/s1005-0302(11)60020-0

Cited by 46 publications

(18 citation statements)

References 9 publications

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“…The explosive welding process [1][2][3][4] is a "cold welding" process, and the explosion time is instantaneous (approximately 10 −6 s), so there is not enough time to form a thick diffusion layer and intermetallics. This is different from liquid phase bonding in which intermetallic compounds are formed by atomic interactions as a result of a long heating time [13].…”

Section: Morphology Near the Interfacementioning

confidence: 93%

“…We know that Fe and Mg elements are incompatible according to Mg-Fe binary alloy phase diagram [12]. Because of the difference in melting point (TM AZ31 = 630 • C and TM 2205 = 1455 • C), it is impossible to use fusion welding to melt these two kinds of metal at the same time [13]. Consequently, bonding between STS and Mg alloys is considerably restricted.…”

Section: Introductionmentioning

confidence: 99%

“…A variety of joining techniques have been attempted to achieve the joining of magnesium and steel. Elthalabawy and Khan [13] investigated the use of liquid phase forming interlayers to bond AZ31 to 316L. The experimental result indicated that stainless steel and magnesium alloy were successfully joined by using pure Cu interlayer at a eutectic temperature of 530 • C and pure Ni interlayer at a eutectic temperature of 510 • C. Bikulcius et al [14] attempted to improve the corrosion resistance of magnesium alloy by sputter coating with stainless steel.…”

Section: Introductionmentioning

confidence: 99%

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Microstructural Characteristics and Mechanical Properties of 2205/AZ31B Laminates Fabricated by Explosive Welding

2017

Metals

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Abstract:A bimetal composite of 2205 duplex stainless steel and AZ31B magnesium alloy was cladded successfully through the method of explosive welding. The microstructural characteristics and mechanical properties of 2205/AZ31B bimetal composite are discussed. The interface of 2205/AZ31B bimetallic composite was a less regular wavy morphology with locally melted pockets. Adiabatic shear bands occurred only in the AZ31B side near explosive welding interface. The microstructure observed with EBSD showed a strong refinement near the interface zones. Line scan confirmed that the interface had a short element diffusion zone which would contribute to the metallurgical bonding between 2205 duplex stainless steel and AZ31B magnesium alloy. The value of micro-hardness near the bonding interface of composite plate increased because of work hardening and grain refinement. The tensile shear strength of bonding interface of 2205/AZ31B composite was 105.63 MPa. Tensile strength of 2205/AZ31B composite material was higher than the base AZ31B. There were two abrupt drops in stress in the stress-strain curves of the 2205/AZ31B composite materials.

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Section: Morphology Near the Interfacementioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Microstructural Characteristics and Mechanical Properties of 2205/AZ31B Laminates Fabricated by Explosive Welding

2017

Metals

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“…This value represents about 70% of the shear strength of the AZ31 alloy [15] . Furthermore, replacing copper with nickel interlayer when TLP bonding achieved 46 MPa for a bonding time of 20 min at bonding temperature of 510 o C [16] . The lower level of shear strength when bonding these dissimilar alloys using TLP bonding techniques is thought to be due to the limited interfacial reaction between the interlayers materials and the stainless steel surface particularly during the early bonding stage as a result of the relatively low bonding temperature.…”

Section: Introductionmentioning

confidence: 99%

Microjoining developments of ASS316L/AZ31 TLP bonds using Cu and Ni high temperature solid state diffusion

Elthalabawy

2019

Eng. Sci. and Milit. Techno.

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Dissimilar joining of austenitic stainless steels to magnesium alloys has recently attained significant attention for the reasons of decreasing the environmental impacts by reducing vehicles emissions and minimizing fuel consumption while maintaining the requireddesign level of mechanical characteristics. This research work is directed toward microscale joining enhancement of the 316 L/(Cu or Ni foils) solid interface through the formation of reaction layers through high temperature solid-state diffusion at 900 o C for 15min. Afterward, transient liquid phase bonding (TLP) with AZ31 took place at 530 o C and 510 o C for 20min using Cu and Ni foils, respectively. The scanning electron microscopy analyses revealed formation of metallurgical micro-reaction films between 316L steel and either Cu or Ni interlayers. Formation of these films enhanced the subsequent TLP bonding with the magnesium alloy AZ31. High temperature solid state interlayer diffusion increases the joint shear strength by 30% when using Cu interlayer and 67% when using Ni interlayer relative to those obtained without the high temperature solid state diffusion stage.

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“…In addition, the violent stirring of molten pool restricted the metallurgical bonding adjacent to the steel interface. While in Liquid Phase Bonding (LPB) [15,17,19], the formation of ternary intermetallic phases could not be controlled precisely. The interfacial reaction was intense in liquid state inducing the excessive formation of thick layer, which deteriorated the joint strength sharply.…”

Section: Introductionmentioning

confidence: 99%

Comparative study on microstructure and mechanical properties of laser welded–brazed Mg/mild steel and Mg/stainless steel joints

Tan

Chen

et al. 2013

Materials & Design

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Liquid Phase Bonding of 316L Stainless Steel to AZ31 Magnesium Alloy

Cited by 46 publications

References 9 publications

Microstructural Characteristics and Mechanical Properties of 2205/AZ31B Laminates Fabricated by Explosive Welding

Microstructural Characteristics and Mechanical Properties of 2205/AZ31B Laminates Fabricated by Explosive Welding

Microjoining developments of ASS316L/AZ31 TLP bonds using Cu and Ni high temperature solid state diffusion

Comparative study on microstructure and mechanical properties of laser welded–brazed Mg/mild steel and Mg/stainless steel joints

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